BE644426A - - Google Patents
Info
- Publication number
- BE644426A BE644426A BE644426A BE644426A BE644426A BE 644426 A BE644426 A BE 644426A BE 644426 A BE644426 A BE 644426A BE 644426 A BE644426 A BE 644426A BE 644426 A BE644426 A BE 644426A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2218—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using diodes for the decoding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US261265A US3294912A (en) | 1963-02-27 | 1963-02-27 | Stereophonic fm receivers having automatic switching means for stereo reception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE644426A true BE644426A (OSRAM) | 1964-06-15 |
Family
ID=22992558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE644426A BE644426A (OSRAM) | 1963-02-27 | 1964-02-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3294912A (OSRAM) |
| BE (1) | BE644426A (OSRAM) |
| DE (1) | DE1219084B (OSRAM) |
| FR (1) | FR1383532A (OSRAM) |
| GB (1) | GB997258A (OSRAM) |
| NL (1) | NL6401830A (OSRAM) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384716A (en) * | 1964-12-30 | 1968-05-21 | Kabushikikaisha Taiko Kenki | Switch means for automatic selection of monaural and stereo operation of an fm stereo receiver |
| US3388220A (en) * | 1965-04-15 | 1968-06-11 | Sanyo Electric Co | Monophonic and stereo fm receiver with automatic monophonic and stereo switching |
| US3423536A (en) * | 1965-12-28 | 1969-01-21 | Rca Corp | Automatic stereo switching and indicating circuit |
| DE1286118B (de) * | 1966-08-05 | 1969-01-02 | Telefunken Patent | Dekoder fuer kompatible Rundfunk-Stereophonie nach dem Pilotfrequenzverfahren |
| DE1286566B (de) * | 1966-09-03 | 1969-01-09 | Telefunken Patent | Stereo-Empfaenger, der auch fuer den Mono-Empfang eingerichtet ist |
| US3436485A (en) * | 1966-09-20 | 1969-04-01 | Sylvania Electric Prod | Frequency doubler,stereo indicator circuitry for fm radio receivers |
| US3372238A (en) * | 1966-10-10 | 1968-03-05 | Dominion Electrohome Ind Ltd | Stereophonic decoders for f.m. receivers |
| US3707603A (en) * | 1969-12-29 | 1972-12-26 | Rca Corp | Fm stereophonic receiver detection apparatus and disabling means |
| JPS518551B1 (OSRAM) * | 1970-07-09 | 1976-03-17 | ||
| JPS5243303A (en) * | 1975-10-01 | 1977-04-05 | Pioneer Electronic Corp | Reversion circuit of fm stereo |
| JPS558111A (en) * | 1978-06-30 | 1980-01-21 | Pioneer Electronic Corp | Stereo demodulation circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132609B (de) * | 1959-03-16 | 1962-07-05 | Siemens Elektrogeraete Gmbh | Empfangsgeraet fuer Ein- und Mehrkanal-Rundfunk- oder Fernsehsendungen |
| DE1136753B (de) * | 1959-03-16 | 1962-09-20 | Siemens Elektrogeraete Gmbh | Empfangsgeraet fuer Ein- und Mehrkanal-Rundfunk- oder -Fernsehsendungen |
| DE1092514B (de) * | 1959-09-18 | 1960-11-10 | Blaupunkt Werke Gmbh | Nachrichtenempfangsgeraet fuer monaurale und stereophone Wiedergabe |
| NL281582A (OSRAM) * | 1961-07-31 | |||
| DE1149396B (de) * | 1961-12-02 | 1963-05-30 | Telefunken Patent | Empfangsschaltung fuer kompatible Rundfunk-Stereophonie |
| US3175041A (en) * | 1962-06-11 | 1965-03-23 | Pilot Radio Corp | Fm stereo demodulator using time division switching |
-
1963
- 1963-02-27 US US261265A patent/US3294912A/en not_active Expired - Lifetime
-
1964
- 1964-02-18 GB GB6816/64A patent/GB997258A/en not_active Expired
- 1964-02-25 DE DER37301A patent/DE1219084B/de active Pending
- 1964-02-26 NL NL6401830A patent/NL6401830A/xx unknown
- 1964-02-27 FR FR965336A patent/FR1383532A/fr not_active Expired
- 1964-02-27 BE BE644426A patent/BE644426A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1383532A (fr) | 1964-12-24 |
| DE1219084B (de) | 1966-06-16 |
| NL6401830A (OSRAM) | 1964-08-28 |
| US3294912A (en) | 1966-12-27 |
| GB997258A (en) | 1965-07-07 |